ADUCM310 datasheet(10/28 Pages) AD

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Data Sheet

ADuCM310

Rev. B Page 9 of 27

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

VDAC0 and VDAC1

±0.5

With 75 Ω load, over full

temperature range

VDAC7

±0.5

With 100 Ω load, over full

temperature range

Gain Mismatch Error

0.1

VDAC0 relative to VDAC1

0.2

VDAC2 relative to VDAC3

0.1

VDAC4 relative to VDAC5

0.35

VDAC6 relative to VDAC7; both

driving a 500 Ω load

Offset Error Drift

Calculated

VDAC0, VDAC1, VDAC4, and

VDAC5

±5

µV/°C

VDAC2, VDAC3, VDAC6, and

VDAC7

±25

µV/°C

Actual

Measured at Code 0

VDAC0, VDAC1, VDAC4, and

VDAC5

±13

µV/°C

VDAC2, VDAC3, VDAC6, and

VDAC7

±75

µV/°C

Gain Error Drift

Excluding internal reference drift

VDAC0, VDAC1, VDAC4, and

VDAC5

ppm/°C

VDAC2, VDAC3, VDAC6, and

VDAC7

ppm/°C

Output Impedance

VDAC0, VDAC1, VDAC4,

VDAC5, VDAC6, and VDAC7

Ω

VDAC2 and VDAC3

1.5

Ω

Short-Circuit Current

Measured with VDAC shorted to

ground and to associated power

supply

VDAC0 and VDAC1

±200

VDAC2 and VDAC3

±170

VDAC4 and VDAC5

±200

VDAC6 and VDAC7

±200

VDAC Outputs

Capacitive load up to 0.01 µF

Output Impedance

VDAC0, VDAC1, and VDAC4

to VDAC7

1.8

Ω

VDAC2 and VDAC3

1.2

Ω

Output Range

Buffer on

VDAC0 and VDAC1

0 + Actual

Offset1

AVDD –

600 mV

RL = 75 Ω, 40 mA maximum, VOUT

maximum = 3 V

VDAC2 and VDAC3

AVNEG +

250 mV

−0.15

RL = 500 Ω, 10 mA maximum, VOUT

maximum = −5 V, gain = −2.25 V

VDAC4 and VDAC5

0 + Actual

Offset1

AVDD –

300 mV

RL = 300 Ω, 10 mA maximum, VOUT

maximum = 3 V

VDAC6

0 + Actual

Offset1

VDACVDD −

250 mV

RL = 500 Ω, 10 mA maximum, VOUT

maximum = 5 V

VDAC7

0 + Actual

Offset1

VDACVDD −

700 mV

RL = 100 Ω, 50 mA maximum, VOUT

maximum = 5 V

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